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Finding the Fourth Proportional to 293,520.60, 439,697.70 and 160,162.20

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Solution

The fourth proportional to 293,520.60, 439,697.70 and 160,162.20 is: 239,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,520.60 : 439,697.70 = 160,162.20 : x
  2. Step 2: Convert to fraction form
    293,520.60/439,697.70 = 160,162.20/x
  3. Step 3: Cross multiply
    293,520.60x = 439,697.70 × 160,162.20
  4. Step 4: Simplify right side
    293,520.60x = 70,422,950,966.94
  5. Step 5: Solve for x
    x = 70,422,950,966.94/293,520.60
  6. Step 6: Final answer
    x = 239,925.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.